/**
 * Copyright 2014 Zhenguo Jin (jinzhenguo1990@gmail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.dementors.utils;

import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.view.Surface;

/**
 * 窗口工具箱
 */
public final class WindowUtils {

  /**
   * Don't let anyone instantiate this class.
   */
  private WindowUtils() {
    throw new Error("Do not need instantiate!");
  }

  /**
   * 获取当前窗口的旋转角度
   */
  public static int getDisplayRotation(Activity activity) {
    switch (activity.getWindowManager().getDefaultDisplay().getRotation()) {
      case Surface.ROTATION_0:
        return 0;
      case Surface.ROTATION_90:
        return 90;
      case Surface.ROTATION_180:
        return 180;
      case Surface.ROTATION_270:
        return 270;
      default:
        return 0;
    }
  }

  /**
   * 当前是否是横屏
   */
  public static final boolean isLandscape(Context context) {
    return context.getResources().getConfiguration().orientation
        == Configuration.ORIENTATION_LANDSCAPE;
  }

  /**
   * 当前是否是竖屏
   */
  public static final boolean isPortrait(Context context) {
    return context.getResources().getConfiguration().orientation
        == Configuration.ORIENTATION_PORTRAIT;
  }
}
